Picard's little theorem A non-constant holomorphic function on ℂ has image ℂ (for example as with z2) or image ℂ omitting a single point (as with the exponential function).
Picard's little theorem
数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。